<template>
  <div>
      <!-- 面包屑导航区 -->
<el-breadcrumb separator-class="el-icon-arrow-right">
  <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
  <el-breadcrumb-item>用户管理</el-breadcrumb-item>
  <el-breadcrumb-item>用户列表</el-breadcrumb-item>
</el-breadcrumb>
<!-- 卡片视图 -->
<el-card >
    <!-- 搜索与添加 -->
  <el-row :gutter="20">
      <el-col :span="8">
    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
    <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
  </el-input>
  </el-col>
      <el-col :span="4">
         <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
      </el-col>
  </el-row>
  <!-- 用户列表区域 -->
  <el-table :data="userlist" border stripe>
  <el-table-column type="index"></el-table-column>
  <el-table-column label="姓名" prop="username"></el-table-column>
  <el-table-column label="邮箱" prop="email"></el-table-column>
  <el-table-column label="电话" prop="mobile"></el-table-column>
  <el-table-column label="角色" prop="role_name"></el-table-column>
  <el-table-column label="状态" >
    <template slot-scope="scope" >
    <el-switch
  v-model="scope.row.mg_state"
  active-color="#13ce66"
  inactive-color="#ff4949"
  @change="userStateChanged(scope.row)">
</el-switch>
      </template>
  </el-table-column>
  <el-table-column label="操作" width="180px">
  <template slot-scope="scope">
      <!-- 修改按钮 -->
      <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
      <!-- 删除按钮 -->
      <el-button type="danger" icon="el-icon-delete" size="mini"
      @click="removeUserById(scope.row.id)"
      ></el-button>
      <!-- 分配角色按钮 -->
          <el-tooltip  effect="dark" content="分配提示" placement="top" :enterable="false">
      <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
          </el-tooltip>
   </template>
  </el-table-column>
  </el-table>
  <!-- 分页区域 -->
      <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[1, 2, 5, 10]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
    </el-pagination>
</el-card>
<!-- 添加用户的对话框 -->
<el-dialog
  title="添加用户"
  :visible.sync="addDialogVisible"
  width="50%"
  @close="addDialogClosed">
  <!-- 内容主体区 -->
<el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px" >
  <el-form-item label="用户名" prop="username">
    <el-input v-model="addForm.username"></el-input>
  </el-form-item>
    <el-form-item label="密码" prop="password">
    <el-input v-model="addForm.password"></el-input>
  </el-form-item>
    <el-form-item label="邮箱" prop="email">
    <el-input v-model="addForm.email"></el-input>
  </el-form-item>
    <el-form-item label="手机" prop="mobile">
    <el-input v-model="addForm.mobile"></el-input>
  </el-form-item>
</el-form>
  <!-- 底部区 -->
  <span slot="footer" class="dialog-footer">
    <el-button @click="addDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="addUser">确 定</el-button>
  </span>
</el-dialog>
<!-- 修改用户的对话框 -->
<el-dialog
  title="修改用户"
  :visible.sync="editDialogVisible"
  width="50%" @close="editDialogClosed">
<el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px" >
  <el-form-item label="修改用户" >
    <el-input v-model="editForm.username" disabled></el-input>
  </el-form-item>
   <el-form-item label="邮箱" prop="email">
    <el-input v-model="editForm.email" ></el-input>
  </el-form-item>
   <el-form-item label="手机" prop="mobile">
    <el-input v-model="editForm.mobile"></el-input>
  </el-form-item>
  </el-form>
  <span slot="footer" class="dialog-footer">
    <el-button @click="editDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="editUserInfo">确 定</el-button>
  </span>

</el-dialog>
<!-- 分配角色的对话框 -->
<el-dialog
  title="分配角色"
  :visible.sync="setRoleDialogVisible"
  width="50%" @close="setRoleDialogClosed">
  <div>
    <p>当前的用户：{{userInfo.username}}</p>
    <p>当前的角色：{{userInfo.role_name}}</p>
  <p>分配新角色：
      <el-select v-model="selectedRoleId" placeholder="请选择">
    <el-option
      v-for="item in rolesList"
      :key="item.id"
      :label="item.roleName"
      :value="item.id">
    </el-option>
  </el-select>
    </p>
  </div>
  <span slot="footer" class="dialog-footer">
    <el-button @click="setRoleDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
  </span>
</el-dialog>
</div>
</template>

<script>
export default {
  data () {
    // 验证邮箱的规则
    var checkEmail = (rule, value, cb) => {
      const regEmail = /^\w+@\w+(\.\w+)+$/
      if (regEmail.test(value)) {
        return cb()
      }
      cb(new Error('请输入正确的邮箱'))
    }
    var checkMobile = (rule, value, cb) => {
      const regMobile = /^1[34578]\d{9}$/
      if (regMobile.test(value)) {
        return cb()
      }
      cb(new Error('请输入正确的手机号'))
    }
    return {
      // 获取用户列表的参数对象
      queryInfo: {
        query: '',
        // 当前的页数
        pagenum: 1,
        // 当前每页显示多少条数据
        pagesize: 2
      },
      userlist: [],
      total: 0,
      // 控制添加用户对象框的显示与隐藏
      addDialogVisible: false,
      // 添加用户的表单数据
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''

      },
      // 添加表单的验证规则对象
      addFormRules: {
        username: [{ required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '用户名的长度在3-10个字符之间', trigger: 'blur' }],
        password: [{ required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '用户名的长度在6-15个字符之间', trigger: 'blur' }],
        email: [{ required: true, message: '请输入邮箱', trigger: 'blur' },
          { message: '邮箱格式不正确，请重新输入', trigger: 'blur' }, { validator: checkEmail, trigger: 'blur' }],
        mobile: [{ required: true, message: '请输入手机', trigger: 'blur' },
          { message: '手机号码不正确，请重新输入', trigger: 'blur' }, { validator: checkMobile, trigger: 'blur' }]
      },
      // 控制修改用户对话框的显示与隐藏
      editDialogVisible: false,
      // 查询到的用户信息对象
      editForm: {},
      // 修改表单的验证规则对象
      editFormRules: {
        email: [
          {
            required: true, message: '请输入用户邮箱', trigger: 'blur'
          },
          {
            validator: checkEmail, trigger: 'blur'
          }
        ],
        mobile: [
          {
            required: true, message: '请输入用户号码', trigger: 'blur'
          },
          {
            validator: checkMobile, trigger: 'blur'
          }
        ]
      },
      // 控制分配角色对话框的显示与隐藏
      setRoleDialogVisible: false,
      // 需要被分配角色的用户信息
      userInfo: {},
      // 所有角色的数据列表
      rolesList: [],
      // 已选中的角色id值
      selectedRoleId: ''


    }
  },
  created () {
    this.getUserList()
  },
  methods: {
    async getUserList () {
      const { data: res } = await this.$http.get('users',
        { params: this.queryInfo })
      if (res.meta.status !== 200) {
        return this.$message.console.error('用户获取列表失败')
      }
      this.userlist = res.data.users
      this.total = res.data.total
      console.log(res)
    },
    // 监听pagesize改变的事件
    handleSizeChange (newSize) {
      console.log(newSize)
      this.queryInfo.pagesize = newSize
      // 重新获取一下数据
      this.getUserList()
    },
    // 监听页码值改变的
    handleCurrentChange (newPage) {
      console.log(newPage)
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 监听switch开关状态的改变
    async userStateChanged (userinfo) {
      console.log(userinfo)
      const { data: res } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户数据失败')
      }
      this.$message.success('更新用户状态成功')
    },
    // 监听添加用户对话框的关闭时间
    addDialogClosed () {
      this.$refs.addFormRef.resetFields()
    },
    // 点击按钮，添加新用户
    addUser () {
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) return
        // 添加用户的网络请求
        const { data: res } = await this.$http.post('users', this.addForm)
        if (res.meta.status !== 201) {
          this.$message.error('添加用户失败！')
        }
        this.$message.success('添加用户成功！')
        // 隐藏添加用户的对话框
        this.addDialogVisible = false
        // 重新获取用户数据
        this.getUserList()
      })
    },
    // 展示编辑用户的对话框
    async showEditDialog (id) {
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('查询用户信息失败！')
      }
      this.editForm = res.data
      this.editDialogVisible = true
    },
    // 监听修改用户对话框的关闭事件
    editDialogClosed () {
      // 重置表单没有修改
      this.$refs.editFormRef.resetFields()
    },
    // 修改用户信息并提交
    editUserInfo () {
      this.$refs.editFormRef.validate(
        async valid => {
          if (!valid) return
          // 发起修改用户信息的数据请求
          //   console.log(valid);
          const { data: res } = await this.$http.put('users/' + this.editForm.id,
            {
              email: this.editForm.email,
              mobile: this.editForm.mobile
            })
          if (res.meta.status !== 200) {
            return this.$message.error('更新用户信息失败')
          }
          // 关闭对话框
          this.editDialogVisible = false
          // 刷新数据列表
          this.getUserList()
          // 提示修改成功
          this.$message.success('更新用户信息成功')
        }
      )
    },
    // 删除按钮根据id
    async removeUserById (id) {
      // 弹框看是否删除
      const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => {
        return err
      })
      // 如果用户确认删除，则返回值为字符串confirm，
      // 如果用户取消了删除，则返回值为字符串cancel
      console.log(confirmResult)
      if (confirmResult !== 'confirm') {
        return this.$message.info('取消删除')
      }

      // console.log('确认删除');
      const { data: res } = await this.$http.delete('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除用户失败！')
      }
      this.$message.success('删除用户成功！')
      // 刷新数据列表
      this.getUserList()
    },
    // 展示分配角色的对话框
    async   setRole (userInfo) {
      this.userInfo = userInfo
      // 在展示对话框前，获取所有角色的列表
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        return this.$message.error('获取角色列表失败！')
      }
      this.rolesList = res.data
      // 展示对话框
      this.setRoleDialogVisible = true
    },
    // 点击按钮分配角色
    async saveRoleInfo () {
      if (!this.selectedRoleId) {
        return this.$message.error('请选择要分配的角色')
      }
      const { data: res } = await this.$http.put(`users/${this.userInfo.id}/role`, {
        rid: this.selectedRoleId
      })
      if (res.meta.status !== 200) {
        return this.$message.error('更新角色失败！')
      }
      this.$message.success('更新角色成功')
      this.getUserList()
      this.setRoleDialogVisible = false
    },
    // 监听分配角色对话框的关闭事件
    setRoleDialogClosed () {
      this.selectedRoleId = ''
      this.userinfo = []
    }
  }
}
</script>

<style lang="less" scoped>

</style>
